Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The actinoids exhibits more number of oxidation states is greater than the lanthanoids. This is because (a) The 5f orbitals are more between buried than the 4f orbitals
30
Nov
The actinoids exhibits more number of oxidation states is greater than the lanthanoids. This is because (a) The 5f orbitals are more between buried than the 4f orbitals The actinoids exhibits more number of oxidation states is greater than the lanthanoids. This is because (a) The 5f orbitals are more between buried than the 4f [...]
Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect (a) The +4 oxidation state of cerium is not known in solutions
30
Nov
Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect (a) The +4 oxidation state of cerium is not known in solutions Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect (a) The +4 [...]
If the de – Broglie wavelength of the electron in nth Bohr orbit in hydrogenic atom is equal to 1.5 piea0 (a0 is bohr radius ), then the valuw of n /z is
30
Nov
If the de – Broglie wavelength of the electron in nth Bohr orbit in hydrogenic atom is equal to 1.5 piea0 (a0 is bohr radius ), then the valuw of n /z is If the de - Broglie wavelength of the electron in nth Bohr orbit in hydrogenic atom is equal to 1.5 piea0 (a0 [...]
What is the work function of the metal if the light of wavelength 4000 A generates photoelectrons of velocity 6 x 10^5 m/s from it
30
Nov
What is the work function of the metal if the light of wavelength 4000 A generates photoelectrons of velocity 6 x 10^5 m/s from it What is the work function of the metal if the light of wavelength 4000 A generates photoelectrons of velocity 6 x 10^5 m/s from it November 30, 2020 Category: Uncategorised [...]
The de – Broglie wavelength ( lamda ) associated with a photoelectron varies with the frequency (v) of the incident radiation as ,
30
Nov
The de – Broglie wavelength ( lamda ) associated with a photoelectron varies with the frequency (v) of the incident radiation as , The de - Broglie wavelength ( lamda ) associated with a photoelectron varies with the frequency (v) of the incident radiation as November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM [...]
A reduction in atomic size with increase in atomic number is a characteristic of elements of (a) High atomic masses (b) d-block (c) f-block
30
Nov
A reduction in atomic size with increase in atomic number is a characteristic of elements of (a) High atomic masses (b) d-block (c) f-block A reduction in atomic size with increase in atomic number is a characteristic of elements of (a) High atomic masses (b) d-block (c) f-block November 30, 2020 Category: Uncategorised (JEE Advanced [...]
Which of the following transition metals can have highest oxidation state (a) Cr (b) Co (c) Ni (d) Cu
30
Nov
Which of the following transition metals can have highest oxidation state (a) Cr (b) Co (c) Ni (d) Cu Which of the following transition metals can have highest oxidation state (a) Cr (b) Co (c) Ni (d) Cu November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Oxidation number of Mn in K2MnO4 and in KMnO4 are respectively (a) +6 and +7 (b) +6 and +6
30
Nov
Oxidation number of Mn in K2MnO4 and in KMnO4 are respectively (a) +6 and +7 (b) +6 and +6 Oxidation number of Mn in K2MnO4 and in KMnO4 are respectively (a) +6 and +7 (b) +6 and +6 November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Energy of an electron is given by E = -2.178 x 10^-18 J [ Z^2 / n^2 ]. Wavelength of length required to excite an electron in an hydrogen atom from level n = 1 to n = 2 will be
30
Nov
Energy of an electron is given by E = -2.178 x 10^-18 J [ Z^2 / n^2 ]. Wavelength of length required to excite an electron in an hydrogen atom from level n = 1 to n = 2 will be Energy of an electron is given by E = -2.178 x 10^-18 J [ [...]
For which element of first transition series the oxidation potential value (M to M2+ + 2e – is lowest (a) Mn (b) Fe (c) Ni (d) Cu
30
Nov
For which element of first transition series the oxidation potential value (M to M2+ + 2e – is lowest (a) Mn (b) Fe (c) Ni (d) Cu For which element of first transition series the oxidation potential value (M to M2+ + 2e - is lowest (a) Mn (b) Fe (c) Ni (d) Cu November [...]